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Examples of poor print<br />
quality<br />
White lines across the page<br />
108<br />
ABCDEFGH<br />
abcdefghijk<br />
ABCD<br />
abcde<br />
01234<br />
ABCDEFGH<br />
abcdefghijk<br />
ABCD<br />
abcde<br />
01234<br />
Lines across the page<br />
ABCDEFGH<br />
abcdefghijk<br />
ABCD<br />
abcde<br />
01234<br />
Black lines down the page<br />
Printed pages have toner<br />
stains or stripes down the page.<br />
ABCDEFGH<br />
abcdefghijk<br />
ABCD<br />
abcde<br />
01234<br />
White lines down the page<br />
ABCDEFGH<br />
abcdefghijk<br />
ABCD<br />
abcde<br />
01234<br />
Page skewed<br />
Recommendation<br />
Make sure that you use paper that meets our specifications. A rough surfaced<br />
paper or thick print media can cause the problem. (See Acceptable paper<br />
and other media on page 12.)<br />
Make sure that you choose the proper media type in the printer driver or in the<br />
machine’s Paper Type menu setting. (See Acceptable paper and other<br />
media on page 12 and Basic tab in the Software User’s Guide on the<br />
CD-ROM.)<br />
The problem may disappear by itself. Print multiple pages to clear this<br />
problem, especially if the machine has not been used for a long time.<br />
Clean the scanner window with a soft cloth. (See Cleaning the laser<br />
scanner window on page 124.)<br />
The drum unit may be damaged. Put in a new drum unit. (See Replacing the<br />
drum unit (494-6) on page 130.)<br />
Clean the primary corona wire in the drum unit. (See Cleaning the corona<br />
wire on page 126.)<br />
Clean the scanner window with a soft cloth. (See Cleaning the laser<br />
scanner window on page 124.)<br />
The drum unit may be damaged. Put in a new drum unit. (See Replacing the<br />
drum unit (494-6) on page 130.)<br />
Clean the primary corona wire of the drum unit. (See Cleaning the corona<br />
wire on page 126.)<br />
Make sure the primary corona wire’s blue tab is at the home position (a).<br />
The drum unit may be damaged. Put in a new drum unit. (See Replacing the<br />
drum unit (494-6) on page 130.)<br />
The toner cartridge may be damaged. Put in a new toner cartridge. (See<br />
Replacing the toner cartridge (494-7) on page 127.)<br />
The fuser unit may be smudged. Call Service/Support phone number<br />
at 1-800-243-5556 (in USA) or 1-800-672-6937 (in <strong>Canada</strong>).<br />
Clean the laser scanner window with a soft cloth. (See Cleaning the laser<br />
scanner window on page 124.)<br />
The toner cartridge may be damaged. Put in a new toner cartridge.<br />
(See Replacing the toner cartridge (494-7) on page 127.)<br />
Make sure the paper or other print media is loaded properly in the paper tray<br />
and that the guides are not too tight or too loose against the paper stack.<br />
Set the paper guides correctly.<br />
If you are using the MP tray, see Loading envelopes and other media on<br />
page 16.<br />
The paper tray may be too full.<br />
Check the paper type and quality. (See Acceptable paper and other<br />
media on page 12.)